发明名称 Method and apparatus for forming contact hole
摘要 A method of forming a contact hole in an insulating film coating amorphous Si having an irregular surface formed on an insulating substrate, for connecting the amorphous Si to a conductor film formed on the insulating film, including: etching the insulating film using reactive ion etching to a depth whereat said irregularity does not disappear; and sputter-etching the surface of the amorphous Si.
申请公布号 US7618898(B2) 申请公布日期 2009.11.17
申请号 US20050092611 申请日期 2005.03.30
申请人 NEC CORPORATION 发明人 SHIRAISHI HITOSHI
分类号 H01L21/302;H01L21/336;H01L21/461;H01L21/4763;H01L21/768;H01L29/45;H01L29/49;H01L31/0392 主分类号 H01L21/302
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